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https://www.readbyqxmd.com/read/29348825/a-novel-anti-cd146-antibody-specifically-targets-cancer-cells-by-internalizing-the-molecule
#1
Marie Nollet, Jimmy Stalin, Anaïs Moyon, Waël Traboulsi, Amel Essaadi, Stéphane Robert, Nausicaa Malissen, Richard Bachelier, Laurent Daniel, Alexandrine Foucault-Bertaud, Caroline Gaudy-Marqueste, Romaric Lacroix, Aurélie S Leroyer, Benjamin Guillet, Nathalie Bardin, Françoise Dignat-George, Marcel Blot-Chabaud
CD146 is an adhesion molecule present on many tumors (melanoma, kidney, pancreas, breast, ...). In addition, it has been shown to be expressed on vascular endothelial and smooth muscle cells. Generating an antibody able to specifically recognize CD146 in cancer cells (designated as tumor CD146), but not in normal cells, would thus be of major interest for targeting tumor CD146 without affecting the vascular system. We thus generated antibodies against the extracellular domain of the molecule produced in cancer cells and selected an antibody that specifically recognizes tumor CD146...
December 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29348654/low-concentration-trifluoperazine-promotes-proliferation-and-reduces-calcium-dependent-apoptosis-in-glioma-cells
#2
Yulin Wen, Yong Zhang, Jinbang Li, Feng Luo, Zhongxi Huang, Kunping Liu
Glioma patients constitute the greatest percentage of depressed neoplasm patients. These patients often require antidepressant treatment, but the effect of antidepressant drugs on glioma cells requires further evaluation. In the present study, we evaluated the effect of trifluoperazine (TFP) on the proliferation and apoptosis of glioma cells. Transcriptomic and bioinformatics analysis results suggested that antidepressant drugs, especially TFP, may upregulate the drug-resistant ability of glioma cells. A low concentration of TFP upregulated the viability of glioma cells...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29348495/preclinical-evaluation-of-antitumor-activity-of-the-proteasome-inhibitor-mln2238-ixazomib-in-hepatocellular-carcinoma-cells
#3
Giuseppa Augello, Martina Modica, Antonina Azzolina, Roberto Puleio, Giovanni Cassata, Maria Rita Emma, Caterina Di Sano, Antonella Cusimano, Giuseppe Montalto, Melchiorre Cervello
Hepatocellular carcinoma (HCC) is one of the common malignancies and is an increasingly important cause of cancer death worldwide. Surgery, chemotherapy, and radiation therapy extend the 5-year survival limit in HCC patients by only 6%. Therefore, there is a need to develop new therapeutic approaches for the treatment of this disease. The orally bioavailable proteasome inhibitor MLN2238 (ixazomib) has been demonstrated to have anticancer activity. In the present study, we investigated the preclinical therapeutic efficacy of MLN2238 in HCC cells through in vitro and in vivo models, and examined its molecular mechanisms of action...
January 18, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29348488/interferon-alpha-enhances-the-antitumour-activity-of-egfr-targeted-therapies-by-upregulating-rig-i-in-head-and-neck-squamous-cell-carcinoma
#4
Hailong Ma, Shufang Jin, Wenyi Yang, Ge Zhou, Mei Zhao, Sijie Fang, Zhiyuan Zhang, Jingzhou Hu
BACKGROUND: The epidermal growth factor receptor (EGFR)-targeted therapies have been tested in the clinic as treatments for head and neck squamous cell carcinoma (HNSCC). Owing to intrinsic or acquired resistance, EGFR-targeted therapies often lead to a low response rate and treatment failure. Interferon-alpha (IFNα) is a chemosensitising agent and multi-functional cytokine with a tumour inhibitory effect. However, the synergic effect of IFNα and EGFR-targeted therapies (erlotinib and nimotuzumab) and their mechanisms in HNSCC remain unclear...
January 18, 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29347968/18f-fdg-pet-ct-and-diffusion-weighted-mri-for-monitoring-a-braf-and-cdk-4-6-inhibitor-combination-therapy-in-a-murine-model-of-human-melanoma
#5
Ralf S Eschbach, Philipp M Kazmierczak, Maurice M Heimer, Andrei Todica, Heidrun Hirner-Eppeneder, Moritz J Schneider, Georg Keinrath, Olga Solyanik, Jessica Olivier, Wolfgang G Kunz, Maximilian F Reiser, Peter Bartenstein, Jens Ricke, Clemens C Cyran
BACKGROUND: The purpose of the study was to investigate a novel BRAF and CDK 4/6 inhibitor combination therapy in a murine model of BRAF-V600-mutant human melanoma monitored by 18F-FDG-PET/CT and diffusion-weighted MRI (DW-MRI). METHODS: Human BRAF-V600-mutant melanoma (A375) xenograft-bearing balb/c nude mice (n = 21) were imaged by 18F-FDG-PET/CT and DW-MRI before (day 0) and after (day 7) a 1-week BRAF and CDK 4/6 inhibitor combination therapy (n = 12; dabrafenib, 20 mg/kg/d; ribociclib, 100 mg/kg/d) or placebo (n = 9)...
January 18, 2018: Cancer Imaging: the Official Publication of the International Cancer Imaging Society
https://www.readbyqxmd.com/read/29347846/poly-butylene-adipate-co-butylene-terephthalate-nanoparticles-prepared-by-electrospraying-technique-for-docetaxel-delivery-in-ovarian-cancer-induced-mice
#6
Jaleh Varshosaz, Erfaneh Ghassami, Abdollah Noorbakhsh, Ali Jahanian-Najafabadi, Mohsen Minaiyan, Ramezan Behzadi
OBJECTIVES: Ovarian cancer is still a major cause of morbidity and mortality. Docetaxel (DTX) is one of the most notable cytotoxic agents for treatment of ovarian cancer. However, its side-effects proposed considerable problems to the patients. SIGNIFICANCE: Polymeric nanoparticles (NPs) of poly (butylene adipate-co-butylene terephthalate) (Ecoflex®), a biodegradable and biocompatible polymer, were prepared for the first time by the upgradeable electrospraying technique...
January 18, 2018: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/29346308/tissue-engineering-to-improve-immature-testicular-tissue-and-cell-transplantation-outcomes-one-step-closer-to-fertility-restoration-for-prepubertal-boys-exposed-to-gonadotoxic-treatments
#7
REVIEW
Federico Del Vento, Maxime Vermeulen, Francesca de Michele, Maria Grazia Giudice, Jonathan Poels, Anne des Rieux, Christine Wyns
Despite their important contribution to the cure of both oncological and benign diseases, gonadotoxic therapies present the risk of a severe impairment of fertility. Sperm cryopreservation is not an option to preserve prepubertal boys' reproductive potential, as their seminiferous tubules only contain spermatogonial stem cells (as diploid precursors of spermatozoa). Cryobanking of human immature testicular tissue (ITT) prior to gonadotoxic therapies is an accepted practice. Evaluation of cryopreserved ITT using xenotransplantation in nude mice showed the survival of a limited proportion of spermatogonia and their ability to proliferate and initiate differentiation...
January 18, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29345297/mir-135b-5p-promotes-gastric-cancer-progression-by-targeting-cmtm3
#8
Mingdong Lu, Yingpeng Huang, Weijian Sun, Pihong Li, Liyi Li, Leping Li
CKLF-like MARVEL transmembrane domain containing 3 (CMTM3) is considered to be a tumor suppressor gene in multiple types of malignancies. Previous studies have indicated that CMTM3 suppresses metastasis and epithelial-mesenchymal transition (EMT) in gastric cancer. However, its role in gastric cancer cell proliferation has rarely been discussed. Moreover, the regulatory mechanisms of CMTM3 in gastric cancer remain unclear. In this study, RT‑qPCR and IHC were used to assess the expression of CMTM3 and miR‑135b‑5p in gastric cancer tissues and cell lines...
February 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29344663/adeno-associated-virus-type-2-mediated-gene-transfer-of-a-short-hairpin-rna-targeting-human-igfbp-2-suppresses-the-proliferation-and-invasion-of-mda-mb-468-cells
#9
Chao Gao, Ru-Song Zhang, Nan Zheng, Chen Wang
Adeno-associated virus 2 (AAV2) is prepotent in the biological treatment of breast tumor because of its low pathogenicity and immunogenicity. Our previous study demonstrated that insulin‑like growth factor‑binding protein 2 (IGFBP‑2) was highly expressed in patients with breast metastasis. In the present study, the effects of recombinant AAV2 on the growth and metastasis of breast cancer cells were determined in vitro, and in vivo. rAAV2-ZsGreen-shRNA-scramble and rAAV2‑ZsGreen‑shRNA‑hIGFBP‑2 were used to transfect MDA‑MB‑468, and MCF‑10A cells respectively, and observed that these virus could not penetrate the normal human breast epithelia MCF‑10A cell line...
January 16, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29344636/analysis-of-the-prolonged-infusion-of-dfp-10917-a-deoxycytidine-analog-as-a-therapeutic-strategy-for-the-treatment-of-human-tumor-xenografts-in-vivo
#10
Kenzo Iizuka, Chun Zhang, Kokoro Eshima, Cheng Jin, Kiyoshi Eshima, Masakazu Fukushima
2'-C-cyano-2'-deoxy-1-β-D-arabino-pentofranocyl-cytosine (DFP-10917, CNDAC) is a 2'-deoxycytidine analog with antitumor activity against various tumor cells. However, a clinically available therapeutic regimen for this compound needs to be established and its functional mechanisms in relation to the dosing schedule need to be clarified. In this study, we evaluated the antitumor activity and toxicity of DFP-10917 by varying the dose and administration schedule in human solid tumor and leukemia xenografts in vivo...
January 16, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29344289/limb-bud-and-heart-overexpression-inhibits-the-proliferation-and-migration-of-pc3m-cells
#11
Qicai Liu, Ermao Li, Long Huang, Minsheng Cheng, Li Li
Background: The limb-bud and heart gene (LBH) was discovered in the early 21st century and is specifically expressed in the mouse embryonic limb and heart development. Increasing evidences have indicated that LBH not only plays an important role in embryo development, it is also closely correlated with the occurance and progression of many tumors. However, its function in prostate cancer (PCa) is still not well understood. Here, we explored the effects of LBH on the proliferation and migration of the PCa cell line PC3M...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29344260/dr2-blocker-thioridazine-a-promising-drug-for-ovarian-cancer-therapy
#12
Min Yong, Tinghe Yu, Si Tian, Shuaibin Liu, Jiao Xu, Jianguo Hu, Lina Hu
Dopamine receptor 2 (DR2) may be a biomarker for various types of cancer. Ovarian cancer cells overexpress DR2; therefore, blocking DR2 may be a novel treatment strategy for ovarian cancer. Thioridazine, a DR2 blocker, has antineoplastic activity in a variety of cancer cells. In view of the requirement for novel therapeutic agents in ovarian cancer, the present study aimed to determine the potential effects of thioridazine in vitro and in vivo. It was revealed that the DR2 blocker thioridazine induced cell death in a dose-dependent manner in ovarian cancer cells...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29344235/metronomic-chemotherapy-remodel-cancer-associated-fibroblasts-to-decrease-chemoresistance-of-gastric-cancer-in-nude-mice
#13
Chao Wang, Wenqi Xi, Jinling Jiang, Jun Ji, Yingyan Yu, Zhenggang Zhu, Jun Zhang
The present study aimed to evaluate whether capecitabine or 5-fluorouracil (5-Fu) chemotherapy with the metronomic pattern may cause significant chemoresistance compared with the traditional pattern, and whether CAFs are involved in drug resistance. SGC-7901 cells were subcutaneously injected into the nude mice, and the mice were divided into five groups: The control group, intraperitoneally injected with normal saline; the 5-Fu conventional dose group [5-Fu maximum tolerated dose (MTD) group], intraperitoneally injected with 50 mg/kg, twice per week for 2 weeks, with an 1-week discontinuation for 6 weeks; the capecitabine conventional dose group (capecitabine MTD group), intragastric 500 mg/kg, twice per week for 2 weeks, with a 1-week discontinuation for 6 weeks; the 5-Fu metronomic group [5-Fu low-dose metronomic (LDM) group], intraperitoneally injected with 15 mg/kg, twice a week for 6 weeks; and the capecitabine metronomic group (capecitabine LDM group), intragastric administration at 200 mg/kg, twice a week for 6 weeks...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29344233/lidamycin-decreases-cd133-expression-in-hepatocellular-carcinoma-via-the-notch-signaling-pathway
#14
Yi Chen, Wenwei Sun, Ran He, Feiyan Zhang, Hongyu Wang, Panhong Li, Rong-Guang Shao, Xiaoyu Xu
Cluster of differentiation (CD)133 is considered a molecular marker of cancer stem cells in hepatocellular carcinoma. In the present study, the effect of lidamycin (LDM) on CD133 expression in hepatocellular carcinoma (Huh7 cells) was evaluated and the potential molecular mechanism was investigated. Flow cytometry analysis, as well as sorting, sphere formation and western-blot assays, were performed in vitro to explore the effects of LDM on CD133 expression. A subcutaneous tumor model in nude mice was used to observe the effects of LDM on tumor volume and CD133 protein in vivo...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29344173/rasal1-inhibits-hepg2-cell-growth-via-hif-2%C3%AE-mediated-gluconeogenesis
#15
Fanhua Meng, Wei Zhang, Yufeng Wang
RAS protein activator like 1 (RASAL1) is a member of the RAS GTPase-activating protein (GAP) family, and has been identified as a tumor suppressor in various types of cancer. In the present study, it was determined that decreased levels of RASAL1 were accompanied by a higher pathological stage and larger tumor size in human liver cancer. Therefore, it was hypothesized that RASAL1 may serve an inhibitory role in liver cancer. In the present study, the following was demonstrated: i) Exogenous expression of RASAL1 may inhibit the proliferation and invasion ability of HepG2 cells; ii) overexpression of RASAL1 may downregulate HIF-2α transcription activity and HIF-2α-mediated gluconeogenesis through extracellular signal-related kinase 1/2 activation; iii) RASAL1 may reduce the xenograft tumor size in nude mice by inhibiting the expression of hypoxia-inducible factor (HIF)-2α and gluconeogenesis enzymes...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29344116/knockdown-of-tgif-attenuates-the-proliferation-and-tumorigenicity-of-ec109-cells-and-promotes-cisplatin-induced-apoptosis
#16
Yadong Wang, Teng Pan, Li Li, Haiyu Wang, Jiangmin Li, Ding Zhang, Haiyan Yang
A previous study has reported that frequent amplifications of the TG-interacting factor (TGIF) were observed in esophageal squamous cell carcinoma. The aim of the present study was to investigate the potential role of TGIF in the proliferation and tumorigenicity of the esophageal cancer cell line EC109 and cisplatin-induced apoptosis. Stable TGIF-knockdown EC109 cell line was established by infecting short hairpin RNA (shRNA) lentiviral particles. Soft agar and tumor xenograft assays were applied in nude mice...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29340068/chaperonin-containing-tcp-1-subunit-3-is-critical-for-gastric-cancer-growth
#17
Li-Juan Li, Lian-Sheng Zhang, Zhi-Jian Han, Zhi-Yun He, Hao Chen, Yu-Min Li
Background: Members of eukaryotic chaperonin family are essential for cell survival. Dysregulation of Chaperonin containing TCP-1 subunit 3 (CCT3) has been implicated in the development of several types of cancers. However, the role of CCT3 in the development of gastric cancer has yet to be determined. Methods: The expression patterns of CCT3 in the surgical specimens from 26 gastric cancer patients were evaluated using immunohistochemistry methods. To study the possible roles of CCT3 in the growth and survival of gastric cancer cells, RNA interference was used to knockdown CCT3 expression in gastric cancer cell lines BGC-823 and MGC-803...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29340051/microrna-34a-inhibits-cells-proliferation-and-invasion-by-downregulating-notch1-in-endometrial-cancer
#18
Zhen Wang, Wei Wang, Kangrong Huang, Yueling Wang, Jing Li, Xinyuan Yang
MicroRNAs (miRNAs) are small non-coding RNAs composed of 18-25 nucleotides that regulate the expression of approximately 30% of human protein coding genes. Dysregulation of miRNAs plays a pivotal role in the initiation and progression of malignancies. Our study has shown that microRNA-34a (miR-34a) was upregulated in human endometrial cancer stem cells (ECSCs). However, it is unknown how miR-34a regulates endometrial cancer itself. Here, we report that miR-34a directly and functionally targeted Notch1. MiR-34a inhibited the proliferation, migration, invasion, EMT-associated phenotypes by downregulating Notch1 in endometrial cancer cells...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29340044/cepharanthine-hydrochloride-reverses-the-mdr1-p-glycoprotein-mediated-esophageal-squamous-cell-carcinoma-cell-cisplatin-resistance-through-jnk-and-p53-signals
#19
Pengjun Zhou, Rong Zhang, Ying Wang, Dandan Xu, Li Zhang, Jinhong Qin, Guifeng Su, Yue Feng, Hongce Chen, Siyuan You, Wen Rui, Huizhong Liu, Suhong Chen, Hongyuan Chen, Yifei Wang
Esophageal squamous cell carcinoma (ESCC) is an aggressive malignancy that is often resistant to therapy. Nowadays, chemotherapy is still one of the main methods for the treatment of ESCC. However, the multidrug resistance (MDR)-mediated chemotherapy resistance is one of the leading causes of death. Exploring agents able to reverse MDR, which thereby increase the sensitivity with clinical first-line chemotherapy drugs, could significantly improve cancer treatment. Cepharanthine hydrochloride (CEH) has the ability to reverse the MDR in ESCC and the mechanism involved have not been reported...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29339419/linc00152-down-regulated-mir-193a-3p-to-enhance-mcl1-expression-and-promote-gastric-cancer-cells-proliferation
#20
Yong Huang, Hui Luo, Fang Li, Yun'e Yang, Guangsheng Ou, Xiaolong Ye, Nianchu Li
The present work aimed to probe into the effect of long non-coding RNA (lncRNA) LINC00152 on gastric cancer (GC) cells proliferation by regulating miR-193a-3p and its target gene MCL1 Transfected si-LINC00152 was used to down-regulate LINC00152, and cells proliferation was measured by the CCK-8 assay. Cell apoptosis and cell cycle were analyzed by flow cytometry. Besides, we also detected the potential functional effects of differential expression of LINC00152 in vivo using nude mouse xenograft model. We overexpressed and down-expressed miR-193a-3p to study the in vitro effect of miR-193a-3p on GC cells proliferation and vitality...
January 16, 2018: Bioscience Reports
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